DGS Family Competitive Summary

Product Family Description Oct 2010:

Armstrong DGS / USG Drywall Grid / CMC Dryall Grid
Product Family / Length / Item # / Metal Thickness / Load L/360 / Item # / Metal Thickness / Load L/360 / Item # / Metal Thickness / Load L/360
Std DGS / 12' Main / HD8906 + HRC / 0.018 / 18.76 / DGLW + HRC / 0.018 / 24 / 650.00C (Hook) / 0.020 / HD
12' Main / 640.00C (Stab) / 0.020 / HD
12' Main / HD8906G90 / 0.018 / 18.76
4' Tee / XL8945P + HRC / 0.018 / 15.0 / DGLW424 / 0.014 (4) / 12.1 / 654.00C (1) (Hook) / 0.020 / 18.6
4' Tee / 674.00C (2) (Stab) / 0.020 / 18.6
4' Tee / 1274.01H (3) (Stab) / 0.020 / 16.7
4' Tee / 644.00C (Hook) Butt / 0.020 / 18.6
664.00C (Stab) Over / 0.020 / 18.6
4' Tee / XL8945G90 / 0.018 / 15 / DGLW424E / 0.014 (4) / 12.1
4' Channel / DGCL4 / 0.019 / 6.9 / 634,00C (Hook) / 0.020 / 8.2
6' Tee / XL8965 + HRC / 0.018 / 4.27 / DGLW624 / 0.014 (4) / 4.45
6' Tee / XL8965G90 / 0.018 / 4.27
50" Tee / XL8947 + HRC / 0.018 / 13.0 / DGLW50 / 0.014 (4) / 11.0
50" Tee / XL8947G90 / 0.018 / 13.0
2' Tee / XL8926 / 0.018 / 129.0 / DGLW224 / 0.014 (4) / 73.3
26" Tee / XL8925 / 0.018 / 98.0 / DGLW2624 / 0.014 (4) / 57.0
14" Tee / XL7914 / 0.018 / 71.5
Stucco / 135" Main / SP135 / 0.018 / 18.0
36" Tee / XL8936G90 / 0.018 / 33.3
2' Tee / XL8926G90 / 0.018 / 129.0
26" Tee / XL8926G90 / 0.018 / 98.0
Curved DGS / 12' Main / HD8906F08 / 0.018 / 12.3 / Custom / 0.018 / N/A / 640.00CR / 0.020 / N/A
12' Main / HD8906F16 / 0.018 / 12.3
Clip / RC-2 / 0.018 / N/A / 435.00 / N/A
Mid Support Tees 16" O.C. / Mid Support Tees 16" O.C. / Mid Support Tees 16" O.C.
Short Span / 14' Tee / S7714 + HRC / 0.018 / 2.80 / DGW2614 / 0.018 / N/A (2 Sup) / 640.SF.168 / 0.020 / 3.86
14' Tee / S7714G90 / 0.018 / 2.80
12' Tee / S7712 + HRC / 0.018 / 4.87 / DGW2612 / 0.018 / 6.63 / 640.SF.144 / 0.020 / 6.05
12' Tee / S7712G90 / 0.018 / 4.87
10' Tee / S7710 + HRC / 0.018 / 9.54 / DGW2610 / 0.018 / 11.46 / 640.SF.120 / 0.020 / 10.23
10' Tee / S7710G90 / 0.018 / 9.54
8' Tee / S7708 + HRC / 0.018 / 18.38 / DGW2608 / 0.018 / 2.8 No Mid / 640.SF.96 / 0.020 / 18.8
8" Tee / S7708G90 / 0.018 / 18.38
6'Tee / Special / 0.018 / DGW2606 / 0.018 / 6.63 / 640.SF.72 / 0.020 / 6.05
Custom Lenghts / Available / 0.018
StrongBack / SB12 / N/A
Locking Angle / LAM12 + HRC / 0.018 / N/A
Locking Angle / LAM12G90 / 0.018 / N/A
Locking Channel / LCM12 / 0.018 / N/A / 1450.00SF
Wires 48" OC. / Wires 48" OC. / Wires 48" OC.
QuiKStix / 6" Spacing / QS610 / 0.018 / 2.84
6" Spacing / QS610G90 / 0.018 / 2.84
8" Spacing / QS810 / 0.018 / 3.30
8" Spacing / QS810G90 / 0.018 / 3.30
Locking Pocket / QSLPM12 / 0.018 / 21.64
Up-Tight / QSUTC / N/A
Moldings L Mold / 10' 1-1/4" Angle / KAM10 / 0.018 / N/A
12' 1-1/4" Angle / KAM12 + HRC / 0.018 / N/A
12' 1-1/2" Angle / 5130.00H
12' 1-1/2" Angle / DGWM24 / 5130K.00H
12' 1-1/4" Angle / KAM12G90 / N/A
10' 2" 25g. Angle / KAM21025 / 0.018 / N/A
10' 2" 20g. Angle / KAM20120 / 0.033 / N/A
Angle / PRLCM12 / 0.018 / N/A
C-Channel / 7838G / 0.018 / N/A / DGCM27 / 1450.00
Clips
Notes: / 1 / CMC 654 (No Slots)
2 / CMC 674 (1 Slot Mid Point)
3 / CMC 1274 (3-Slots for Type G Fixture)
4 / Not meet ASTM C-645 Metal Thickness Requirement

Armstrong Advantages:

Packaging Ratio of MR: Mains 1 Ctn to 3 Ctns tees.

Armstrong MR Ctn wt = 53LBS; USG = 66 LBS; CMC = 86 CMC cartons weigh more, more difficult to handle.

Armstrong grid is easier to cut because of the PeakForm bulb shape and lower gauge. USG and CMC use square bulb design.

ScrewStop: Reverse hem & single layer of steel in face, prevents screw spin & screw spin off. Both USG & CMC cap their DGS when screwing drywall onto tees the 2-layers of metal can separate and cause screw spin.

ASTM C-645: “Standard Specification for Nonstructural Steel Framing Members” 4.3 Minimum thickness of steel .0179: USG cross tees do not meet this requirement: See USG ESR-1222 report for metal thickness listed by item number. USG cross tee is in effect 29g.

USG & CMC have 69 convenience holes in top bulb of main runner: Will not support weight of Drywall Ceiling: Hanger wire can pull through convenience hole causing ceiling failure. (We know of several projects in 2009 & 2010 where the convenience holes were used to hang the grid and the hanger wires pulled through the bulb causing the ceiling to fail.)

Rotary Stitching: Greater torsional strength & stability: Without rotary stitching the tee will tend to twist when the drywall is being screwed making it harder for the installed to attach the drywall to the cross tees.

SuperLock coupling is easier to remove than USG and CMC.

Miami-Dade: N.O.A. for both Wind & Impact: (USG & CMC do not have approvals) Miami-Dade county has the most restrictive requirements for both wind up-lift & Impact in the country:

N.O.A. 09-0512.02: Covers both Wind & Impact

N.O.A. 10-0126.04: Covers Wind, (use when impact is not required)

Armstrong Shop drawing service: Armstrong will provide PDF & CAD details:

Spec Hooks

Call out ASTMC-645: USG does not meet this requirement: Call out .018 steel thickness:

Add CAD DGS details on drawings:

Integrate DGS with Acoustical Grid & Axiom to control the ceiling plane.

Specify HRC DGS: CMC does not have, USG only main runners are HRC: This means that only 25% of the grid in the ceiling is HRC, the remaining 75% is only 30% recycle content.

Sales Tools Available

Sample kits, Submittal sheets, Solutions Guide:

Demos Available

Conduct a Cutting comparison with full size pieces & compare USG 4’ Tee to Armstrong 4’ Tee:

Armstrong DGS & ISS Tent Demo’s

Armstrong Advantages

·  XL8945 superior strength and durability versus DGLW424:

·  HRC DGS available as standard item. (Mains, Tees & ShortSpan) USG only Mains are HRC: This means only 25% of the grid in the ceiling is HRC: 100% of the Armstrong DGS is HRC:

·  Published Load information on Main Runners and Cross Tees using L/240 numbers. USG and CMC do not provide cross tee load information on their submittals. Saves time for specifies and contractors preparing and reviewing specifications and submittals.

·  PeakForm is easier to cut than traditional square bulb grids

Armstrong Selling Strategies

·  Armstrong Drywall Grid & Installation Specialist: USG & CMC do not offer expert field personal :

·  DGS System:

o  .018 metal thickness as required per ASTM C-645:

o  6’ Tees allows Mains 6’ O.C. reducing number of mains & Hanger wires by 30%:

o  Curved DGS: Field curving of mains allows for varying field conditions, contractor can make adjustments when needed:

o  G-40 Hot Dipped Galvanized per ASTM C-645:

·  Stucco System: Armstrong has the only true Stucco system:

o  Meets: Tee spacing 13-1/2” O.C. which complies with ASTM C 1063 table 4,

o  Matches up with width of metal lath, Holes in face of grid to allow for plaster to key around edge and through pre-punched holes:

o  Meets Miami –Dade wide & Impact requirements. USG & CMC give no recommendation for Wind or Impact:

o  G90 hot dipped galvanized :

·  ShortSpan:

o  Strong Back allows for mid-span support: USG & CMC solution is to add hanger wire on every tee.

o  USG Claim: Their Wall to Wall system can span 8’ without mid span support: This is only if using ½” drywall, commercial projects do not use ½” drywall, with 5/8” drywall their limitation is 7’-6”:

o  -40 Hot Dipped Galvanized per ASTM C-645:

·  Armstrong systems are included in Quick-Bid Armstrong data base, pre-build assemblies:

·  USG & CMC claims Convenience holes allow for more hanger wire placement. USG has 69 convenience holes whereas Armstrong has 90 wire holes for hanger attachment. These convenience holes will not support weight of drywall, when asked if OK to use they will not furnish documentation approving the use of convenience holes to hang grid.

·  Armstrong hanger wire hole pullout is 493 Lbs, dead load.

·  Clips & Accessories: Armstrong offers a wide verity of clips to solve installation issues: